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Compute the estimated standard error

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Two independent samples of observations were collected. For the first sample of 60 elements, the mean was 86 and the standard deviation 6. The second sample of 75 elements had a mean of 82 and a standard deviation of 9.

(a) Compute the estimated standard error of the difference between the two means.

(b) Using £ = 0.01, test whether the two sample can reasonably be considered to have come from populations with the same mean.

Reference no: EM132515283

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